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116 articles for “electronic spectra”
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A Sol-Gel Approach for the Fabrication of Zinc Oxide Nanoparticles and Their Nanocomposite with Urea Formaldehyde (UF)
Abstract: In the performed work, zinc oxide nanoparticles were synthesized via the sol-gel method using zinc sulphate as the precursor material. Urea-formaldehyde (UF) resin was employed as a polymer matrix to encapsulate the produced ZnO through an acid-catalyzed polymerization process. This encapsulation aimed to improve the dispersion stability and surface reactivity of ZnO within the polymeric medium. The synthesized materials were subjected to comprehensive characterization using Fourier Transform Infrared Spectroscopy (FT-IR), …
Published in International Journal of Crystalline Materials · Vol. 2, Issue 2, 2025 · pp. 21–27 Read article
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Synthesis, Characterization and AC Conduction of Polyaniline Fibers
Abstract: The present paper aims to study the preparation of polyaniline fibers and characterize them. Polyaniline fibers were synthesized by chemical oxidation polymerization where ammonium persulfate [(NH4)2S2O8] was used as oxidant to oxidize aniline to polyaniline. The polyaniline fiber was characterized by XRD, FTIR, TEM and UV-Visible spectroscopy. The characteristic peaks in FTIR and UV-Visible spectra confirmed the expected structure of polymer as reported in the literature. Further, Transmission electron microscopy …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 16, Issue 3, 2014 · pp. 25–30 Read article
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Evaluation of Antibacterial Activities of Environmental Benign Synthesis of Silver Nanoparticles using the Flower Extracts of Plumeria Alba Linn.
Abstract: Green nanoparticle synthesis has been achieved using environmentally acceptable plant extract and ecofriendly reducing and capping agents. However, development of green nanotechnology is generating interest of researchers toward ecofriendly biosynthesis of nanoparticles. In this study green synthesis of stable silver nanoparticle was done using the flower extract of Frangipani (Plumeria alba). The formation of silver nanoparticles was apparently displayed within 2 min with evidence of surface plasmon bands (SPB) between …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 3, Issue 3, 2013 · pp. 13–20 Read article
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Synthesis and Applications of Copper- Doped Pyridine Precipitate
Abstract: A metal organic nonlinear optical single crystal, copper doped pyridine material, was created at room temperature using the slow evaporation solution growth technique (SEST). The developed material's crystalline nature was revealed by a powder X-ray diffraction (XRD) analysis. Single crystal XRD study shows that the material synthesized possesses monoclinic system of cell parameters, a = 11.44 Å, b = 7.92 Å, C = 11.74 Å and alpha and gamma is …
Published in Journal of Materials & Metallurgical Engineering · Vol. 15, Issue 1, 2025 · pp. 51–60 Read article
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Combustion Synthesis and Comprehensive Characterization of Pure and Ni-Doped CuFe₂O₄ Nanoparticles for Functional Composite Applications
Abstract: The CuFe2-xNixO4 (x = 0, 0.1, 0.3, and 0.5) nanoparticles were synthesized using a combustion method and comprehensively characterized to understand their suitability for polymer-based composite applications. X-ray diffraction confirmed the formation of a single-phase spinel ferrite structure with crystallite sizes of 20–30 nm. Energy-dispersive X-ray spectroscopy verified the successful incorporation of Ni ions into the CuFe₂O₄ lattice, while FE-SEM analysis revealed uniformly dispersed nanoscale particles desirable for composite reinforcement. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1–11 Read article
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Revolutionizing Petrology and Mineralogy: The Study of AI and Advanced Sensor Technologies
Abstract: Petrology and mineralogy are fundamental to understanding Earth's intricate processes, from crustal evolution to economic resource formation. However, traditional methods, while precise, are often laborious, time-consuming, and occasionally subject to interpretive bias. This abstract explores the transformative potential of integrating cutting-edge Artificial Intelligence (AI) and advanced sensor technologies to revolutionize data acquisition, analysis, and interpretation in these critical geosciences. Advanced sensor technologies, including high-resolution spectral imaging (hyperspectral, Raman), automated X-ray …
Published in International Journal of Minerals · Vol. 2, Issue 2, 2025 · pp. 1–11 Read article
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Study on CdS Nanoparticles and Nanocrystalline Thin Films Synthesized by Chemical Bath Deposition Technique
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Cadmium Sulfide (CdS) nanoparticles and nanocrystalline thin films were synthesized by chemical bath deposition technique at room temperature. The elemental composition of the as-grown CdS nanoparticles and nanocrystalline thin films were determined by energy dispersive analysis of X-rays (EDAX). Crystallite size and lattice parameter were determined from X-ray diffractogram whereas transmission electron microscopy (TEM) image gave particle size and the selected area …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 3, 2011 · pp. 8–15 Read article
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Synthesis of Homogenous Colloidal Silver Nanoparticles
Abstract: Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 Silver nanoparticles have potential applications in various fields such as biology, medicine, electronics and optical components. Suitability for these applications depends on the size, shape and chemical composition of the nanoparticles. The method of synthesis plays an important role in determining many of these properties. In this study, the formation of silver nanoparticles has been studied via the chemical reduction of …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 1, Issue 2, 2011 · pp. 59–66 Read article
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Structural, Magnetic and Dielectric Properties of Barium Cobalt Hexaferrite-powder and Barium Cobalt Hexaferrite- Epoxy Resin Composite Film
Abstract: The W-type barium cobalt hexaferrite powder with chemical composition BaCo2Fe16O27 was prepared using a simple heat treatment method. The precursor was calcinated at 650 °C for 3 h in a muffle furnace and then slowly cooled to room temperature in order to obtain barium cobalt hexaferrite powder. The flexible epoxy thin film of Ba-cobalt hexaferrite/epoxy composite was fabricated using the suitable amount of hardener and curing agent. Surface and morphological …
Published in Journal of Microelectronics and Solid State Devices · Vol. 1, Issue 1, 2015 · pp. 14–20 Read article
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Graphene–Perovskite Hybrid Opto-Electronic Modulators for Ultra-Low Power Optical Communication
Abstract: This paper proposes a novel self-adaptive neuromorphic opto-electronic transceiver architecture designed to enhance the intelligence, adaptability, and efficiency of next-generation optical communication networks. The proposed system integrates neuromorphic computing principles with photonic signal processing to enable real-time learning, dynamic resource allocation, and autonomous compensation of channel impairments such as dispersion, nonlinearities, and noise. Unlike conventional transceivers, the developed model employs spiking neural networks embedded within opto-electronic circuits to mimic biological …
Published in Trends in Opto-electro & Optical Communication · Vol. 16, Issue 1, 2026 · pp. 41–52 Read article
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Dielectric Studies of 0.5Ba0.8Ca0.2TiO3.0.5CaCu3Ti4O12 Nanoceramic Fabricated by Chemo-mechanical Process
Abstract: The present investigation is aimed toward investigate a straightforward, inexpensive, and environmentally friendly chemo-mechanical method for preparing high-dielectric materials, specifically 0.5Ba0.8Ca0.2TiO3.0.5CaCu3Ti4O12 (BCT-CCTO), by combining metal nitrate combustion with solid TiO2 powder and titanium isopropoxide, Ti (OR)4. The composite was prepared by the mixing of individual materials of Ba0.8Ca0.2TiO3 and CaCu3Ti4O12 through the chemo-mechanical method. Initially, 99% pure Ba (NO3)3, Cu (NO3)2∙3H2O, TiO2 and glycine were taken in their stoichiometry ratios. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 12–21 Read article
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Biosynthesis of Zinc Oxide Nanoparticles and Their Revolutionary Impacts on Agroindustry: Review
Abstract: Nanotechnology is a new approach of science which provides alternative tool in many fields including agriculture. This comprehensive review focuses on the biosynthesis and characterization of zinc oxide nanoparticles (ZnO NPs), highlighting their vast potential in agroindustry applications. Unlike traditional physical and chemical methods, which are often costly, time-consuming, and involve hazardous materials, this review explores the promising biological synthesis routes, offering a more sustainable and eco-friendly alternative for producing …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 26, Issue 2, 2024 · pp. 33–50 Read article
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Aluminium-Doped Zinc Ferrite Nanoparticles Synthesized by Combustion Method for Polymer Composite Applications
Abstract: ZnFe₂₋xAlₓO₄ (x = 0 and 0.5) nanoparticles were synthesized via a combustion method owing to its simplicity, cost efficiency, and ability to produce highly crystalline nanomaterials. Powder X-ray diffraction (XRD) analysis confirmed the formation of a single-phase cubic spinel structure without detectable secondary phases, indicating high phase purity. The average crystallite size was estimated to be in the range of 14–20 nm, confirming the nanocrystalline nature of the samples. Field-emission …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 272–282 Read article
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Formation and Spectral with Nano- Study of Six and Seven Membered Ring Derivatives
Abstract: The nanoscale properties of some organic chemicals make the materials have multiple engineering, chemical, biological and industrial applications, including heterocyclic derivatives. Advanced research in this field has made it possible to use them widely as fluorinated materials and in the electronics industry. These derivatives also have good stability at different temperatures due to the presence of heterogeneous atoms within their structure. These cyclic derivatives have proven their biological effectiveness against …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 2, 2025 · pp. 85–95 Read article
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Electron beam irradiation studies of polyethylene maleic anhydride on their Chemical and Thermal properties.
Abstract: The electron beam (e-beam) irradiation effects on polyethylene maleic anhydride (MANPE) are investigated by spectroscopic and thermal methods. The MANPE irradiated with electron beam to a radiation dose of 30, 60 and 90 K Gy and the resultant changes in their chemical structure and thermal properties have been investigated by Electron spin resonance (ESR), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscopy …
Published in Journal of Polymer & Composites · Vol. 6, Issue 2, 2018 · pp. 17–30 Read article
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Effect of the U.V. Irradiation on the Aqueous Solution of Dye (i.e. Cresol Purple)
Abstract: This study aimed to estimate the effect of the U.V. irradiation on the aqueous solution of cresol purple. Then study the effect of the activation energy of each electron transfere on the absorbance and λmax values. The absorbance and λmax values of the selective λmax solutions were chanced in most solutions, where the U.V radiation gave different values at different irradiation periods, most of solution gave low values of absorbance …
Published in Emerging Trends in Chemical Engineering · Vol. 8, Issue 1, 2021 · pp. 30–35 Read article
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Dosimetric Aspects of Poly(ethylene- g - maleic anhydride)
Abstract: Electron spin resonance (ESR) spectroscopy is considered to be finger print technique to identify chemical structures of irradiated polymers. To prove this, ESR spectra of unirradiated and irradiated maleic anhydride grafted poly ethylene (MANPE)are recorded under different conditions. The ESR spectra show multiplehyperfine lines with latent structure corresponding to macro radicals . Radiation dose dependency on chemical structure of MANPE has been investigated by recording ESR spectra at various radiation …
Published in Journal of Polymer & Composites · Vol. 7, Issue 3, 2019 · pp. 20–23 Read article
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Effects of Plasticizers on Structures of Chemical Functional Groups, Morphologies, Water Vapor Permeability, and Thermal Properties of HPMC/BW Biopolymer Films
Abstract: Food preservation is one of the fields that many researchers are interested in, especially in the epidemic period like COVID-19 today. The better food or agricultural products are preserved for a long time, the more it ensures social stability for state management related to food security for people. This paper introduces one kind of biopolymer films with investigation on effect of plasticizers to its characteristics. In order to produce biopolymers, …
Published in Journal of Polymer & Composites · Vol. 9, Issue 2, 2021 · pp. 10–20 Read article
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Intelligent Electromagnetic Synthesis: An AI-Driven IoT Framework for Adaptive Antenna Design in Missile Navigation
Abstract: The rapid evolution of hypersonic and long-range tactical missile systems necessitates antenna architecture capable of maintaining robust communication links under extreme thermal, mechanical, and signal-jamming environments. Traditional antenna design methodologies often relying on iterative simulation cycles and static optimization are increasingly insufficient for the real-time requirements of modern aerospace navigation. This paper proposes an AI-driven, IoT- integrated framework that facilitates autonomous antenna design and performance optimization. By deploying a distributed …
Published in International Journal of Radio Frequency Innovations · Vol. 4, Issue 1, 2026 Read article
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Comparative Analysis of FIR Digital Filters for Noise Reduction in EMG Signal
Abstract: In the performance of electromyogram (EMG) signal, signal acquisition must be noise free. This paper deals with the application of digital finite impulse response (FIR) filter on the raw EMG signal. In this paper different window techniques are used to design FIR filter and after designing the filters their values are used to calculate signal-to-noise ratio (SNR), power spectral density (PSD), and standard deviation. The results of SNR, PSD and …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 1, 2016 · pp. 56–60 Read article